import java.util.Locale;

/**
 * Created with Intellij IDEA.
 * Description;
 * User:墨琦
 * Data:2023-03-28
 * Time:19:26
 */
public class Text2 {
    public static void main(String[] args) {
        String name = "Hello World,my name is 汤琦";
        char[] a=name.toCharArray();
        for(int i=0;i<a.length;i++)
        {
            if(a[i]<'Z'&&a[i]>'A')
            {
                a[i]+=32;
            }
        }
        System.out.println(new String(a));
    }
}
